Apogee's Quartet professional USB audio interface gives you the ultimate desktop recording experience on your Mac or iOS device. Quartet juices your workflow with four inputs and eight outputs of legendary Apogee AD/DA conversion and four world-class mic pres. You also get up to eight digital inputs via Lightpipe. Two full-color screens keep you abreast of critical routing details, Quartet's QuickTouch pads make for easy I/O selection, and you run the entire show from a single controller knob. If you make music on a Mac, Sweetwater has your ideal studio control center: the Apogee Quartet.